ROMAN EMPIRE. Herennius Etruscus as caesar, 249-251 AD. AR Antoninianus (4.44 gm; 21 mm). Rome, AD 250-251. Q HER ETR MES DECIVS NOB C, radiate and draped bust right / PIETAS AVGVSTORVM, lituus, patera, jug, simpulum and aspergillum. RIC 143; Cohen 14. Well struck on a nice broad medallic flan. Choice FDC. Lustrous. Lightly toned.